Cleave Books Answers to Puzzle Trio 30 88. Any of (0, 17) (1, 16) (2, 13) (3, 8) (4, 1) and the first number in each could be negative. (Square the first and add the second.) 89. Each has exactly five letters in its written form. 90. Mr Black Go to Original Puzzle Puzzles Index Page Cleave Books Home Page